Chemistry Crossword

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Across
  1. 3. A cloudy mixture in which tiny particles of one substance are visible
  2. 6. A combination of pure substances
  3. 7. Substances ability to resist being scratched
  4. 9. Highly valued metal, Attractive colour and Lustre. Does not Tarnish.
  5. 10. Orange Square Safety Hazard Symbol
  6. 12. Also a cloudy mixture, but the particles are not visible
  7. 13. Temperature at which a substance changes from Liquid to Gas
  8. 14. Discovered the Nucleus, First name Ernest
  9. 16. Gas to Liquid
  10. 17. Temperature at which a substance changes from Solid to Liquid
  11. 19. Fourth State of Matter
  12. 20. The amount of mass in a given volume of a substance
  13. 21. Created the Billiard Ball model, first name John
Down
  1. 1. Solid to Liquid
  2. 2. Information Sheets about specific Chemicals
  3. 3. Gas to Solid/ Solid to Gas
  4. 4. Ability of a substance to be dissolved into another
  5. 5. Liquid to Solid
  6. 8. Liquid to Gas
  7. 11. A substances ability to be pounded into sheets
  8. 12. Yellow Triangle Safety Hazard Symbol
  9. 15. A substances ability to be stretched into long wire
  10. 17. Russian Chemist who was able to organize elements through patterns in properties of the elements
  11. 18. Creator of the "Raisin Bun model"
  12. 21. Red Octagon Safety Hazard Symbol